Ash and soot trap



- Inventor h. F. fi /r/m 7% and 6 ,Atto'rney;

/ zz/n H. F. BURNAUGH ASH AND SOOT TRAP Filed A ril 3; 1956 March 30,1937.

Patented Mar. 30, 1937 UNITED STATES ASH AND SOOT TRAP I Harold F.Burnaugh, Denver, Colo.

Application April 3, 1936, Serial No. 72,639

1 Claim.

This invention appertains to new and useful improvements in traps forcatching ash and soot in furnace flues.

The principal object of the present invention is 5 to provide means forcollecting ash and soot which normally is drawn into the flue pipe andflue and frequently collects and forms deposits in the flue pipe andflue resulting in hindrance of the draft and frequently resulting influe fires.

Another important object of the invention is to provide a trap forcatching ash and soot substances before they enter the furnace flue pipeand flue wherein means is provided whereby the trap can be emptiedconveniently and without disagreeableness to the person manipulating thesame.

Other important objects and advantages of the invention will becomeapparent to the reader of. the following specification.

In the drawing:

Figure 1 is a vertical sectional view through the trap;

Figure 2 is a side elevational view of the flue attaching pipe section.

The trap consists of a cylindrical shell 9 provided with a downwardlytapering hopper-like lower portion 9a. terminating in a reducedcylindrical neck I9 having slits in diametrically opposite portionsthereof. through which the slide valve H is slidable. The reducedcylindrical neck 19 is adjustable on the bottom of the trap so that itmay be turned in any position to af ford easy access to the slide valve.One end of this slide plate II is rolled over to provide a hand-grip [2,while the opposite end is provided with a down turned flange l3 to serveas a stop.

The bottom of the neck [9 is provided with an elongatedrectangular-shaped opening it merging at its intermediate portion with acircular opening I 5 and one end portion of the slide plate H isprovided with an opening it of substantialfine substances will be suckedup the flue pipe section 29 instead of permeating the atmosphere outsideof the shell 9 and perhaps soiling the clothes of the person performingthis operation.

A small lug 2| is secured to the upper portion of the shell 9 and has anopening 22 therein through which the lower end of a cable or wire can bedisposed. This wire 23 can be anchored at its upper end to a joist orceiling so as to assist in supporting the trap.

Numeral 23 is a nipple projecting laterally from the shell 9 forattachment with the flue connection of the furnace, while. the flue pipesection 29 is connected by an elbow to a flue leading to the usualchimney; To permit the escape of all gases and smoke from shell 9 toreadily rise up the flue with a coasting or draft checked fire, anopening 25 is provided in the pipe section 20 adjacent the top of theshell 9 at the opposite side portion of the pipe section 29 from theinlet nipple 25.

The lower end of. the pipe section 29 is below the level of the nipple26 so that incoming gases and substances from the furnace will be causedto take a downward route or an indirect route up the flue pipe section29, and in this tortuous route any precipitation of the substances willbe collected in the lower portion of the shell. Thus, a high percentageof all substances in the flue gases will be collected in the shell 9instead of going up the flue and perhaps collecting therein.

While the foregoing specification sets forth the invention in specificterms, it is to be understood that numerous changes in the shape, size,and materials may be resorted to without departing from the spirit andscope of the invention as claimed hereinafter.

Having described the invention, what is claimed HAROLD F. BURNAUGH.

